diff --git a/presentation/lookAndFeel/knowledgeTree/help/assignGroupToUnitHelp.html b/presentation/lookAndFeel/knowledgeTree/help/assignGroupToUnitHelp.html
index 2206dcf..efcab53 100644
--- a/presentation/lookAndFeel/knowledgeTree/help/assignGroupToUnitHelp.html
+++ b/presentation/lookAndFeel/knowledgeTree/help/assignGroupToUnitHelp.html
@@ -121,7 +121,7 @@ ul
the group already belongs to a particular unit, an error message will be
displayed.